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          Python读取Excel数据
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        <h1 id="Preface"><a href="#Preface" class="headerlink" title="Preface"></a>Preface</h1><p>今天跟人讨论了一些问题，有个问题，明明某方面数据跟理论很接近，但是的出来的结果却差距太大。但是这个问题能影响到结果的地方实在是太少了，我就说可能是另一因素导致的。大哥表示不信啊，理论就是理论。我为了证明给他看我的假设，为了证明理论也是依赖实际来完善的，于是就抓了几万条数据下来，整理成表以支持我的说法。</p>
<h1 id="Content"><a href="#Content" class="headerlink" title="Content"></a>Content</h1><p>代码如下：</p>
<figure class="highlight python"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br><span class="line">148</span><br><span class="line">149</span><br><span class="line">150</span><br><span class="line">151</span><br><span class="line">152</span><br><span class="line">153</span><br><span class="line">154</span><br><span class="line">155</span><br><span class="line">156</span><br><span class="line">157</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># *-* encoding:utf8 *-*</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> xlrd</span><br><span class="line"><span class="keyword">import</span> pymongo</span><br><span class="line"><span class="keyword">import</span> redis</span><br><span class="line"><span class="keyword">from</span> threading <span class="keyword">import</span> Thread</span><br><span class="line"><span class="keyword">import</span> math</span><br><span class="line"><span class="keyword">from</span> time <span class="keyword">import</span> time</span><br><span class="line"><span class="keyword">import</span> matplotlib.pyplot <span class="keyword">as</span> plt</span><br><span class="line"><span class="keyword">import</span> numpy <span class="keyword">as</span> np</span><br><span class="line"></span><br><span class="line">mongo_client = <span class="literal">None</span></span><br><span class="line">my_db = <span class="literal">None</span></span><br><span class="line">units_per_thread = <span class="number">5000</span></span><br><span class="line">max_score = <span class="number">0</span></span><br><span class="line">min_score = <span class="number">99999999</span></span><br><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">check_score</span>(<span class="params">value</span>):</span></span><br><span class="line">    <span class="keyword">global</span> max_score, min_score</span><br><span class="line">    <span class="keyword">if</span> value &gt; max_score:</span><br><span class="line">        max_score = value</span><br><span class="line">    <span class="keyword">if</span> value &lt; min_score:</span><br><span class="line">        min_score = value</span><br><span class="line"></span><br><span class="line"><span class="class"><span class="keyword">class</span> <span class="title">Game001</span>(<span class="params">Thread</span>):</span></span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">def</span> <span class="title">__init__</span>(<span class="params">self,coll=<span class="literal">None</span>,red=<span class="literal">None</span>,startIdx=<span class="number">0</span>, endIdx=<span class="number">0</span>,sheet=<span class="literal">None</span></span>):</span></span><br><span class="line">        <span class="built_in">super</span>().__init__()</span><br><span class="line">        self.head = <span class="literal">None</span></span><br><span class="line">        self.item_len = <span class="number">0</span></span><br><span class="line">        self.my_coll = coll</span><br><span class="line">        self.red = red</span><br><span class="line">        self.sheet = sheet</span><br><span class="line">        self.startIdx = startIdx</span><br><span class="line">        self.endIdx = endIdx</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">def</span> <span class="title">run</span>(<span class="params">self</span>):</span></span><br><span class="line">        self.head = self.sheet.row(<span class="number">1</span>)</span><br><span class="line">        self.parse_head(self.head)</span><br><span class="line">        <span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(self.startIdx,self.endIdx):</span><br><span class="line">            self.parse_row(self.sheet.row(i))</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">def</span> <span class="title">parse_head</span>(<span class="params">self,row</span>):</span></span><br><span class="line">        self.item_len = <span class="built_in">len</span>(row)</span><br><span class="line">        <span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(self.item_len):</span><br><span class="line">            self.head[i] = row[i].value</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">def</span> <span class="title">parse_row</span>(<span class="params">self,row</span>):</span></span><br><span class="line">        <span class="comment"># print(row)</span></span><br><span class="line">        item = &#123;&#125;</span><br><span class="line">        <span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(self.item_len):</span><br><span class="line">            item[self.head[i]]=row[i].value</span><br><span class="line">            <span class="keyword">if</span> self.head[i] == <span class="string">&quot;winscore&quot;</span>:</span><br><span class="line">                <span class="keyword">if</span> row[i].value &gt; <span class="number">0</span>:</span><br><span class="line">                    self.red.incr(<span class="string">&quot;game001:lostcnt&quot;</span>)</span><br><span class="line">                    self.red.rpush(<span class="string">&quot;game001:loses&quot;</span>,row[i].value)</span><br><span class="line">                    check_score(row[i].value)</span><br><span class="line">                <span class="keyword">elif</span> row[i].value &lt; <span class="number">0</span>:</span><br><span class="line">                    self.red.incr(<span class="string">&quot;game001:wincnt&quot;</span>)</span><br><span class="line">                    self.red.rpush(<span class="string">&quot;game001:wins&quot;</span>, -row[i].value)</span><br><span class="line">                    check_score(-row[i].value)</span><br><span class="line">                <span class="keyword">else</span>:</span><br><span class="line">                    self.red.incr(<span class="string">&quot;game001:tiecnt&quot;</span>)</span><br><span class="line">        self.my_coll.insert_one(item)</span><br><span class="line"></span><br><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">init_mongo</span>():</span></span><br><span class="line">    mongo_client = pymongo.MongoClient(<span class="string">&quot;mongodb://192.168.1.91:27017/&quot;</span>)</span><br><span class="line">    <span class="keyword">return</span> mongo_client[<span class="string">&quot;data&quot;</span>]</span><br><span class="line"></span><br><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">init_redis</span>():</span></span><br><span class="line">    <span class="keyword">return</span> redis.StrictRedis(host=<span class="string">&quot;192.168.1.91&quot;</span>, port=<span class="number">7001</span>, db=<span class="number">0</span>, password=<span class="string">&quot;123456&quot;</span>, decode_responses=<span class="literal">True</span>)</span><br><span class="line"></span><br><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">parse_sheet</span>(<span class="params">datapath</span>):</span></span><br><span class="line">    wb = xlrd.open_workbook(datapath)</span><br><span class="line">    <span class="keyword">return</span> wb.sheet_by_index(<span class="number">0</span>)</span><br><span class="line"></span><br><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">start_parse</span>(<span class="params">r</span>):</span></span><br><span class="line">    start = time()</span><br><span class="line">    sheet = parse_sheet(<span class="string">&quot;./data.xls&quot;</span>)</span><br><span class="line">    total_lines = sheet.nrows - <span class="number">2</span></span><br><span class="line">    r.hset(<span class="string">&quot;game001&quot;</span>, <span class="string">&quot;totalline&quot;</span>, total_lines)</span><br><span class="line">    my_db = init_mongo()</span><br><span class="line">    num_threads = math.ceil(total_lines / units_per_thread)</span><br><span class="line">    <span class="built_in">print</span>(<span class="string">&quot;total:%d,need threads:%d&quot;</span>%(total_lines,num_threads))</span><br><span class="line">    <span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(num_threads):</span><br><span class="line">        endIdx = (i+<span class="number">1</span>) * units_per_thread</span><br><span class="line">        endIdx = endIdx &gt; total_lines+<span class="number">2</span> <span class="keyword">and</span> total_lines+<span class="number">2</span> <span class="keyword">or</span> endIdx</span><br><span class="line">        startIdx = i * units_per_thread</span><br><span class="line">        startIdx = startIdx == <span class="number">0</span> <span class="keyword">and</span> <span class="number">2</span> <span class="keyword">or</span> startIdx</span><br><span class="line">        parser = Game001(coll=my_db[<span class="string">&quot;game001&quot;</span>], red=r, sheet=sheet,</span><br><span class="line">                    startIdx=startIdx, endIdx=endIdx)</span><br><span class="line">        parser.start()</span><br><span class="line">        parser.join()</span><br><span class="line">    end = time()</span><br><span class="line">    r.<span class="built_in">set</span>(<span class="string">&quot;game001:max_score&quot;</span>,max_score)</span><br><span class="line">    r.<span class="built_in">set</span>(<span class="string">&quot;game001:min_score&quot;</span>, min_score)</span><br><span class="line">    <span class="built_in">print</span>(<span class="string">&quot;Total cost:%.2f second&quot;</span>%(end-start))</span><br><span class="line"></span><br><span class="line"><span class="function"><span class="keyword">def</span> <span class="title">start_analyse</span>(<span class="params">r</span>):</span></span><br><span class="line">    max_score = <span class="built_in">float</span>(r.get(<span class="string">&quot;game001:max_score&quot;</span>))</span><br><span class="line">    min_score = <span class="built_in">float</span>(r.get(<span class="string">&quot;game001:min_score&quot;</span>))</span><br><span class="line">    <span class="built_in">print</span>(<span class="string">&quot;min_score: %d, max_score :%d&quot;</span>%(min_score, max_score))</span><br><span class="line">    gap = max_score - min_score</span><br><span class="line">    units = <span class="number">10</span></span><br><span class="line">    <span class="keyword">while</span> gap/units &lt; <span class="number">1</span>:</span><br><span class="line">        units = math.floor(units/<span class="number">4</span>)</span><br><span class="line">    <span class="built_in">print</span>(<span class="string">&quot;units:%d&quot;</span>%units)</span><br><span class="line">    unit = math.ceil(gap / units)</span><br><span class="line">    x_labels = [<span class="built_in">str</span>(min_score+i*unit) <span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(units)]</span><br><span class="line">    win_data = [<span class="number">0</span> <span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(units)]</span><br><span class="line">    lose_data = [<span class="number">0</span> <span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(units)]</span><br><span class="line">    losts = r.lrange(<span class="string">&quot;game001:loses&quot;</span>,<span class="number">0</span>,-<span class="number">1</span>)</span><br><span class="line">    wins = r.lrange(<span class="string">&quot;game001:wins&quot;</span>,<span class="number">0</span>,-<span class="number">1</span>)</span><br><span class="line">    win_count = <span class="built_in">len</span>(wins)</span><br><span class="line">    lost_count = <span class="built_in">len</span>(losts)</span><br><span class="line">    <span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(win_count):</span><br><span class="line">        score = <span class="built_in">float</span>(wins[i])</span><br><span class="line">        idx = math.floor((score-min_score)/unit)</span><br><span class="line">        win_data[idx] = win_data[idx] + <span class="number">1</span></span><br><span class="line"></span><br><span class="line">    <span class="keyword">for</span> i <span class="keyword">in</span> <span class="built_in">range</span>(lost_count):</span><br><span class="line">        score = <span class="built_in">float</span>(losts[i])</span><br><span class="line">        idx = math.floor((score-min_score)/unit)</span><br><span class="line">        lose_data[idx] = lose_data[idx] + <span class="number">1</span></span><br><span class="line"></span><br><span class="line">    x = np.arange(<span class="built_in">len</span>(x_labels))</span><br><span class="line">    width = <span class="number">0.35</span></span><br><span class="line">    plt.figure(figsize=(<span class="number">10</span>,<span class="number">6</span>))</span><br><span class="line">    fig,ax = plt.subplots()</span><br><span class="line">    rect1 = ax.bar(x - width/<span class="number">2</span>, win_data, width, label=<span class="string">&quot;wins&quot;</span>)</span><br><span class="line">    rect2 = ax.bar(x + width/<span class="number">2</span>, lose_data, width, label=<span class="string">&quot;lose&quot;</span>)</span><br><span class="line">    ax.set_ylabel(<span class="string">&quot;Score&quot;</span>)</span><br><span class="line">    ax.set_title(<span class="string">&quot;Game001 score&quot;</span>)</span><br><span class="line">    ax.set_xticks(x)</span><br><span class="line">    ax.set_xticklabels(x_labels)</span><br><span class="line">    <span class="function"><span class="keyword">def</span> <span class="title">auto_label</span>(<span class="params">rects</span>):</span></span><br><span class="line">        <span class="keyword">for</span> rect <span class="keyword">in</span> rects:</span><br><span class="line">            height = rect.get_height()</span><br><span class="line">            ax.annotate(<span class="string">&#x27;&#123;&#125;&#x27;</span>.<span class="built_in">format</span>(height),</span><br><span class="line">                        xy=(rect.get_x() + rect.get_width()/<span class="number">2</span>, height),</span><br><span class="line">                        xytext=(<span class="number">0</span>,<span class="number">3</span>),</span><br><span class="line">                        textcoords=<span class="string">&quot;offset points&quot;</span>,</span><br><span class="line">                        ha=<span class="string">&quot;center&quot;</span>,</span><br><span class="line">                        va=<span class="string">&quot;bottom&quot;</span>)</span><br><span class="line">    auto_label(rect1)</span><br><span class="line">    auto_label(rect2)</span><br><span class="line">    <span class="comment"># fig.tight_layout()</span></span><br><span class="line">    <span class="string">&#x27;&#x27;&#x27;</span></span><br><span class="line"><span class="string">    plt.scatter(wins,wins,marker=&quot;.&quot;,color=&quot;red&quot;,label=&quot;win&quot;)</span></span><br><span class="line"><span class="string">    plt.scatter(losts, losts, marker=&quot;.&quot;, color=&quot;green&quot;, label=&quot;lose&quot;)</span></span><br><span class="line"><span class="string">    plt.legend(loc=&quot;best&quot;)</span></span><br><span class="line"><span class="string">    &#x27;&#x27;&#x27;</span></span><br><span class="line">    plt.show()</span><br><span class="line"></span><br><span class="line"><span class="keyword">if</span> __name__ == <span class="string">&#x27;__main__&#x27;</span>:</span><br><span class="line">    r = init_redis()</span><br><span class="line">    <span class="comment"># start_parse(r)</span></span><br><span class="line">    start_analyse(r)</span><br></pre></td></tr></table></figure>

<h2 id="Result"><a href="#Result" class="headerlink" title="Result"></a>Result</h2><p><img data-src="pychart.png" alt="result"></p>

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